Home / 5,580.40-8,377.53-3,475.12

Finding the Fourth Proportional to 5,580.40, 8,377.53 and 3,475.12

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Solution

The fourth proportional to 5,580.40, 8,377.53 and 3,475.12 is: 5,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.40 : 8,377.53 = 3,475.12 : x
  2. Step 2: Convert to fraction form
    5,580.40/8,377.53 = 3,475.12/x
  3. Step 3: Cross multiply
    5,580.40x = 8,377.53 × 3,475.12
  4. Step 4: Simplify right side
    5,580.40x = 29,112,922.05
  5. Step 5: Solve for x
    x = 29,112,922.05/5,580.40
  6. Step 6: Final answer
    x = 5,217.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.